Answers
National Institute for Occupational Safety and Health federal research agency responsible for best-practice
(NIOSH) guidance in HCP
MSHA Mine Safety and Health Administration (30 CFR Part 62)
85 dBA TWA OSHA action level or 50% PEL based on 5 dB exchange rate
· Effects of noise
· Use of HPD 3 required OSHA HCP employee training topics
· Purpose of audiometric monitoring
Physicians, industrial audiologists, CAOHC professional professionals responsible for reviewing problem audio-
supervisors grams per OSHA
· Tinnitus
· High frequency SNHL symptoms of noise induced hearing loss (NIHL)
· Temporary threshold shift
· Wax impaction
· TM perforation
possible causes of conductive hearing loss
· Otitis media
· Otosclerosis
TTS and PTS temporary threshold shift and permanent threshold shift
greater than or equal to 10 dB change in the baseline test
OSHA's Significant Threshold Shift (STS) criterion
vs. current test OSHA(pta) in same ear
· Carbon monoxide
· Lead
ototoxic chemicals that have a synergist effect with noise
· Styrene
· Toluene
At least 90-degree angle or 180 degree angle from the
the best way to seat an employee for audiometric testing
tester
3k, 4k, or 6k Hz
OSHA, MSHA, and FRA